Patent US3222533A successfully refreshed from Google Patents.
US3222533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windmill generator
Assignee: Individual
•
Filing: 1963-08-01
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Granted: 1965-12-07
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 James E Mackay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:46
CPC Classifications
F; F03; F03D; F03D1/00; F03D1/02; F03D1/04; F03D13/00; F03D13/10; F03D15/00; F03D15/10; F03D9/00; F03D9/20; F03D9/25; F05; F05B; F05B2220/00; F05B2220/70; F05B2220/706; F05B2240/00; F05B2240/40; F05B2260/00; F05B2260/40; F05B2260/402; F05B2260/403; F05B2260/4031; F05B2260/40311; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72; Y10; Y10S; Y10S416/00; Y10S416/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A WINDMILL OPERATING ON THE TURBINE PRINCIPLE, INCLUDING A PLURALITY OF OPEN ENDED CYLINDRICAL CASINGS IN CONCENTRIC CONFORMATION, HAVING ANNULAR CHAMBERS FORMED THEREBETWEEN, THE CENTREMOST DEFINING A CYLINDRICAL CHAMBER; A PLURALITY OF FIRST STATOR BLADES IN THE FORWARD PORTIONS OF EACH OF SAID ANNULAR CHAMBERS, EXTENDING RADIALLY BETWEEN SAID CASINGS; A PLURALITY OF SECOND STATOR BLADES EXTENDING RADIALLY INWARDLY OF SAID CYLINDRICAL CHAMBERS AND RIGIDLY CONNECTED TO SAID CASINGS; A BEARING HOUSING RIGIDLY CONNECTED TO THE INNER ENDS OF SAID SECOND STATOR BLADES; SAID BEARING HOUSING DEFINING A ROTARY AXIS CONCENTRIC WITH SAID CASINGS AND LOCATED AT THE FORWARD END OF SAID WINDMILL; A CENTRE SHAFT EXTENDING BETWEEN AND ROTATABLY SUPPORTED BY SAID BEARING HOUSING AND SAID REAR BEARING; A PLURALITY OF FIRST VANES EXTENDING RADIALLY OUTWARDLY FROM SAID CENTRE SHAFT INTO SAID CYLINDRICAL CHAMBER REARWARDLY OF SAID SECOND STATOR BLADES; ROTOR MEANS ROTATABLY MOUNTED ON A REAR BEARING
Claim 2
Dependent Claim
149 words
A WINDMILL OPERATING ON THE TURBINE PRINCIPLE, INCLUDING A PLURALITY OF OPEN ENDED CYLINDRICAL CASINGS IN CONCENTRIC CONFORMATION, HAVING ANNULAR CHAMBERS FORMED THEREBETWEEN, THE CENTREMOST DEFINING A CYLINDRICAL CHAMBER; A PLURALITY OF FIRST STATOR BLADES IN THE FORWARD PORTIONS OF EACH OF SAID ANNULAR CHAMBERS, EXTENDING RADIALLY BETWEEN SAID CASINGS; A PLURALITY OF SECOND STATOR BLADES EXTENDING RADIALLY INWARDLY OF SAID CYLINDRICAL CHAMBERS AND RIGIDLY CONNECTED TO SAID CASINGS; A BEARING HOUSING RIGIDLY CONNECTED TO THE INNER ENDS OF SAID SECOND STATOR BLADES; SAID BEARING HOUSING DEFINING A ROTARY AXIS CONCENTRIC WITH SAID CASINGS AND LOCATED AT THE FORWARD END OF SAID WINDMILL; A CENTRE SHAFT EXTENDING BETWEEN AND ROTATABLY SUPPORTED BY SAID BEARING HOUSING AND SAID REAR BEARING; A PLURALITY OF FIRST VANES EXTENDING RADIALLY OUTWARDLY FROM SAID CENTRE SHAFT INTO SAID CYLINDRICAL CHAMBER REARWARDLY OF SAID SECOND STATOR BLADES; ROTOR MEANS ROTATABLY MOUNTED ON A REAR BEARING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |